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/* ************************************************************************** */
/* */
/* ::: :::::::: */
/* utils.c :+: :+: :+: */
/* +:+ +:+ +:+ */
/* By: charles <me@cacharle.xyz> +#+ +:+ +#+ */
/* +#+#+#+#+#+ +#+ */
/* Created: 2020/08/01 15:00:16 by charles #+# #+# */
/* Updated: 2020/08/01 19:24:41 by charles ### ########.fr */
/* */
/* ************************************************************************** */
#include "ft_ssl.h"
#define HEX_CHARS "0123456789abcdef"
uint32_t rotate_left(uint32_t x, int s)
{
return (x << s) | (x >> (32 - s));
}
uint32_t rotate_right(uint32_t x, int s)
{
return (x >> s) | (x << (32 - s));
}
char *bytes_to_str(uint8_t *bytes, size_t size)
{
char *ret;
size_t i;
if ((ret = ft_strnew(size * 2)) == NULL)
return (NULL);
i = 0;
while (i < size)
{
ret[i * 2 + 0] = HEX_CHARS[(bytes[i] & 0xf0) >> 4];
ret[i * 2 + 1] = HEX_CHARS[(bytes[i] & 0x0f) >> 0];
i++;
}
return (ret);
}
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